[linux-dvb] hi,a very simply question about DVBsnoop

Marcel Siegert mws at linuxtv.org
Tue Dec 5 11:22:29 CET 2006


allanye at 163.com schrieb:
> Hi all,
> 
> I am a new learner of DVBsnoop.
> now Dvbsnoop can run in my cygwin shell.and I can run some simple 
> command like
> $ /dvbsnoop -if test.ts -n 1 0x00 -hexdumpbuffer 1.txt
> 
> I got the result as below:
> ------------------------------------------------------------
> dvbsnoop V1.4.06 -- http://dvbsnoop.sourceforge.net/
> 
> ------------------------------------------------------------
> SECT-Packet: 00000001   PID: 1 (0x0001), Length: 167 (0x00a7)
> from file: test.ts
> ------------------------------------------------------------
>   0000:  47 00 a4 9e dc 84 37 96  ec fb 3d 40 7f 65 73 f7   G.....7...=@.es.
>   0010:  97 5e c1 42 ce d0 1c 05  d8 97 4e 16 df 8e 3e ca   .^.B......N...>.
>   0020:  f0 c7 0a 2d 1e b2 d3 62  21 c2 1c ff fe e3 bc 99   ...-...b!.......
>   0030:  76 e8 3f 35 03 59 21 5b  ee 76 e1 2b 20 e7 28 22   v.?5.Y![.v.+ .("
>   0040:  e9 f1 af a8 c7 0f 18 0e  cf 0c 60 1e 68 c7 70 bd   ..........`.h.p.
>   0050:  1b b7 b5 d8 e5 9e be 8a  b3 0a 2f bd 19 5d 87 91   ........../..]..
>   0060:  63 4a 6a be 4f 8b 4a 06  ae b3 49 25 03 b3 98 64   cJj.O.J...I%...d
>   0070:  33 ac ca 13 b9 08 f4 cb  0d e4 86 90 6d 57 d1 65   3...........mW.e
>   0080:  d1 46 eb 63 b2 78 e3 9e  26 39 3c 53 58 60 d2 9b   .F.c.x..&9<SX`..
>   0090:  70 ee ad 18 64 24 78 e0  7b d1 d8 d3 e7 29 54 44   p...d$x.{....)TD
>   00a0:  23 19 88 f3 f1 dd d1                               #......
> 
> PID:  1 (0x0001)  [= assigned for: ISO 13818-1 Conditional Access Table 
> (CAT)]
> Guess table from table id...
> Unknown, reserved or not (yet) implemented - TableID: 71 (0x47)
> --> reserved
>   0000:  47 00 a4 9e dc 84 37 96  ec fb 3d 40 7f 65 73 f7   G.....7...=@.es.
>   0010:  97 5e c1 42 ce d0 1c 05  d8 97 4e 16 df 8e 3e ca   .^.B......N...>.
>   0020:  f0 c7 0a 2d 1e b2 d3 62  21 c2 1c ff fe e3 bc 99   ...-...b!.......
>   0030:  76 e8 3f 35 03 59 21 5b  ee 76 e1 2b 20 e7 28 22   v.?5.Y![.v.+ .("
>   0040:  e9 f1 af a8 c7 0f 18 0e  cf 0c 60 1e 68 c7 70 bd   ..........`.h.p.
>   0050:  1b b7 b5 d8 e5 9e be 8a  b3 0a 2f bd 19 5d 87 91   ........../..]..
>   0060:  63 4a 6a be 4f 8b 4a 06  ae b3 49 25 03 b3 98 64   cJj.O.J...I%...d
>   0070:  33 ac ca 13 b9 08 f4 cb  0d e4 86 90 6d 57 d1 65   3...........mW.e
>   0080:  d1 46 eb 63 b2 78 e3 9e  26 39 3c 53 58 60 d2 9b   .F.c.x..&9<SX`..
>   0090:  70 ee ad 18 64 24 78 e0  7b d1 d8 d3 e7 29 54 44   p...d$x.{....)TD
>   00a0:  23 19 88 f3 f1 dd d1                               #......
> ==========================================================
> 
> But didn't get the analysis result something like this:
> 
> ------------------------------------------------------------
> PID: 0 (0x0000)
> PAT-decoding....
> Table_ID: 0 (0x00) [= program_association_section]
> section_syntax_indicator: 1 (0x01)
> (fixed): 0 (0x00)
> 
> reserved_1: 3 (0x03)
> Section_length: 57 (0x0039)
> Transport_Stream_ID: 1079 (0x0437)
> reserved_2: 3 (0x03)
> Version_number: 3 (0x03)
> Current_next_indicator: 1 (0x01)
> Section_number: 0 (0x00)
> Last_Section_number: 0 (0x00)
>     
>     Program_number: 28006 (0x6d66)
>     reserved: 7 (0x07)
>     Program_map_PID: 100 (0x0064)
> 
>     .......  
>  
>     Program_number: 28007 (0x6d67)
>     reserved: 7 (0x07)
>     Program_map_PID: 200 (0x00c8)
>     
>     Program_number: 28013 (0x6d6)
>     Program_number: 28010 (0x6d6a)
>     reserved: 7 (0x07)
>     Program_map_PID: 500 (0x01f4)
> 
> CRC: 3539965406 (0xd2ff95de)
> ---------------------------------------------
> 
> 
> Can anybody help me?
> 
hi,

you must supply the --tssubdecode option to cmdline also if you want to
have an input file parsed correctly...

best regards
marcel




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